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11212202102120 = 235573748859169
BaseRepresentation
bin1010001100101000101101…
…0100101100110101101000
31110200212122122100101010222
42203022023110230311220
52432200042214231440
635502451535025212
72235024551245145
oct243121324546550
943625578311128
1011212202102120
113633082870028
121310bbb96b208
136343c9719aa6
142aa9600433cc
151469c5ec12b5
hexa328b52cd68

11212202102120 has 32 divisors (see below), whose sum is σ = 25231852571400. Its totient is φ = 4484099002368.

The previous prime is 11212202102117. The next prime is 11212202102131. The reversal of 11212202102120 is 2120120221211.

It can be written as a sum of positive squares in 4 ways, for example, as 1995986886436 + 9216215215684 = 1412794^2 + 3035822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24200105 + ... + 24659064.

Almost surely, 211212202102120 is an apocalyptic number.

11212202102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212202102120 is an abundant number, since it is smaller than the sum of its proper divisors (14019650469280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212202102120 is a wasteful number, since it uses less digits than its factorization.

11212202102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48864917 (or 48864913 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212202102120 its reverse (2120120221211), we get a palindrome (13332322323331).

The spelling of 11212202102120 in words is "eleven trillion, two hundred twelve billion, two hundred two million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5737 11474 22948 28685 45896 57370 114740 229480 48859169 97718338 195436676 244295845 390873352 488591690 977183380 1954366760 280305052553 560610105106 1121220210212 1401525262765 2242440420424 2803050525530 5606101051060 11212202102120